		var sheng;
		var city;
		var qu;
		var jie;
		var men;
		//获得节点
		function $(obj){
			return document.getElementById(obj);
		}
		//存
		function setS(keys,val){
			sessionStorage.setItem(keys,val)
		}
		//存值
		function tijiao(){
//			setS("sheng",$('sheng').value);
//			setS("city",$('city').value);
//			setS("qu",$('qu').value);
//			setS("jie",$('jie').value);
//			setS("men",$('men').value);
			a=$('sheng').value
			b=$('city').value
			c=$('qu').value
			d=$('jie').value
			e=$('men').value
			
			$("diva").style.display="none"
			
			$('sheng').value=""
			$('city').value=""
			$('qu').value=""
			$('jie').value=""
			$('men').value=""
			
			$("address").value = a+b+c+d+e
//			$("address").value = getS("sheng") + getS("city") + getS("qu") + getS("jie") + getS("men")
			/*setS("sheng","");
			setS("city","");
			setS("qu","");
			setS("jie","");
			setS("men","");*/
		}
		
		//获得地址
		function getS(keys) {
			return sessionStorage.getItem(keys);
		}
		
		//省市
		function cascade(){
			var sheng = new Array(2);
			sheng["河南省"] = ["郑州市","洛阳市","开封市"]
			sheng["河北省"] = ["石家庄","保定市","雄安市"]

			var val = $("sheng").value;
			$("city").options.length=1;
			for(var index in sheng[val]){
				var opt = new Option(sheng[val][index],sheng[val][index]);
				$("city").options.add(opt);
			}
			
			if($("sheng").value==""){
				$("city").options.length=1;
				$("qu").options.length=1;
			}
		}
		//市区
		function cascade2(){
			var city = new Array(6);
			city["郑州市"] = ["二七区","高新区","管城区","金水区"]
			city["洛阳市"] = ["充数区","充数区","充数区","充数区"]
			city["开封市"] = ["充数区1","充数区","充数区","充数区"]
			city["石家庄"] = ["充数区3","充数区3","充数区3","充数区3"]
			city["保定市"] = ["充数区4","充数区4","充数区4","充数区4"]
			city["雄安市"] = ["充数区","充数区","充数区","充数区"]
			
			var cyval = $("city").value
			$("qu").options.length=1;
			for(var index in city[cyval]){
				var opt = new Option(city[cyval][index],city[cyval][index]);
				$("qu").options.add(opt);
			}
			
		}
		